Commit cf93dcce authored by Wei Yongjun's avatar Wei Yongjun Committed by Chris Mason

Btrfs: fix possible memory leak in scrub_setup_recheck_block()

bbio has been malloced in btrfs_map_block() and should be
freed before leaving from the error handling cases.

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)
Signed-off-by: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
parent 7014cdb4
...@@ -1029,6 +1029,7 @@ static int scrub_setup_recheck_block(struct scrub_dev *sdev, ...@@ -1029,6 +1029,7 @@ static int scrub_setup_recheck_block(struct scrub_dev *sdev,
spin_lock(&sdev->stat_lock); spin_lock(&sdev->stat_lock);
sdev->stat.malloc_errors++; sdev->stat.malloc_errors++;
spin_unlock(&sdev->stat_lock); spin_unlock(&sdev->stat_lock);
kfree(bbio);
return -ENOMEM; return -ENOMEM;
} }
sblock->page_count++; sblock->page_count++;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment